v3.26.1
Long-Term Debt (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 24, 2026
Dec. 23, 2025
Sep. 23, 2025
Sep. 22, 2025
Jul. 30, 2024
Jan. 16, 2024
Jun. 08, 2021
Jun. 28, 2019
Dec. 31, 2025
Jun. 30, 2026
Mar. 12, 2019
Feb. 25, 2019
Long-term debt                        
Total principal                 $ 3,250,000 $ 3,591,900    
Unamortized debt issuance costs                 (27,470) (25,721)    
Total long-term debt                 3,222,530 3,566,179    
5.75% Senior Notes Due 2028                        
Long-term debt                        
Total long-term debt                 647,725 648,269    
5.75% Senior Notes Due 2028 | Subsequent event                        
Long-term debt                        
Face amount $ 650,000                      
Debt instrument redemption percentage 100.00%                      
5.375% Senior Notes Due 2029                        
Long-term debt                        
Total long-term debt                 745,620 746,196    
6.625% Senior Notes Due 2032                        
Long-term debt                        
Total long-term debt                 594,132 594,529    
5.75% Senior Notes Due 2033                        
Long-term debt                        
Total long-term debt                 642,525 642,912    
5.75% Senior Notes Due 2034                        
Long-term debt                        
Total long-term debt                 592,528 592,373    
5.75% Senior Notes Due 2034 | Redemption period two                        
Long-term debt                        
Debt instrument redemption percentage   100.00%                    
Antero Midstream Partners | Credit Facility                        
Long-term debt                        
Total principal                 0 $ 341,900    
Weighted average interest rate (as a percent)                   5.35%    
Outstanding letters of credit                 0 $ 0    
Current borrowing capacity                 1,250,000 1,250,000    
Threshold time period related to maturity date         91 days              
Minimum principal outstanding amount         $ 50,000              
Aggregate commitments unrestricted cash percentage         85.00%              
Debt instrument variable rate (as a percent)         0.10%              
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]         us-gaap:SecuredOvernightFinancingRateSofrMember              
Floor rate         0.00%              
Available borrowing capacity                   908,000    
Antero Midstream Partners | Credit Facility | Investment Grade Period | Minimum                        
Long-term debt                        
Debt instrument variable rate (as a percent)         1.125%              
Interest coverage ratio         2.5              
Commitment fees on the unused portion (as a percent)         0.125%              
Antero Midstream Partners | Credit Facility | Investment Grade Period | Maximum                        
Long-term debt                        
Debt instrument variable rate (as a percent)         2.00%              
Commitment fees on the unused portion (as a percent)         0.30%              
Antero Midstream Partners | Credit Facility | Not Investment Grade Period | Minimum                        
Long-term debt                        
Debt instrument variable rate (as a percent)         1.50%              
Commitment fees on the unused portion (as a percent)         0.25%              
Antero Midstream Partners | Credit Facility | Not Investment Grade Period | Maximum                        
Long-term debt                        
Debt instrument variable rate (as a percent)         2.50%              
Consolidated leverage ratio         5              
Commitment fees on the unused portion (as a percent)         0.375%              
Antero Midstream Partners | Financial covenant election | Credit Facility | Not Investment Grade Period | Maximum                        
Long-term debt                        
Consolidated leverage ratio         5.25              
Antero Midstream Partners | After effect of financial covenant election | Credit Facility | Not Investment Grade Period | Maximum                        
Long-term debt                        
Consolidated leverage ratio         5.25              
Consolidated senior secured leverage ratio         3.75              
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2027                        
Long-term debt                        
Unamortized debt premiums                     $ 3,000  
Interest rate (as a percent)                       5.75%
Face amount                       $ 650,000
Debt instrument fair value                     $ 653,000  
Amount of debt redeemed     $ 650,000                  
Loss on early extinguishment of debt                 1,000      
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2028                        
Long-term debt                        
Total principal                 $ 650,000 $ 650,000    
Interest rate (as a percent)               5.75% 5.75% 5.75%    
Face amount               $ 650,000        
Debt instrument redemption percentage               100.00%        
Debt instrument redemption percentage upon change of control               101.00%        
Finance Corp and together with Antero Midstream Partners | 5.375% Senior Notes Due 2029                        
Long-term debt                        
Total principal                 $ 750,000 $ 750,000    
Interest rate (as a percent)             5.375%   5.375% 5.375%    
Face amount             $ 750,000          
Debt instrument redemption percentage             100.00%          
Debt instrument redemption percentage upon change of control             101.00%          
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032                        
Long-term debt                        
Total principal                 $ 600,000 $ 600,000    
Interest rate (as a percent)           6.625%     6.625% 6.625%    
Face amount           $ 600,000            
Debt instrument redemption percentage upon change of control           101.00%            
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period one                        
Long-term debt                        
Debt instrument redemption percentage           103.313%            
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period two                        
Long-term debt                        
Debt instrument redemption percentage           100.00%            
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period three                        
Long-term debt                        
Debt instrument redemption percentage           106.625%            
Debt instrument redemption percentage with payment of premium and interest           100.00%            
Finance Corp and together with Antero Midstream Partners | 6.625% Senior Notes Due 2032 | Redemption period three | Maximum                        
Long-term debt                        
Percent of aggregate principal amount that can be redeemed           35.00%            
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2033                        
Long-term debt                        
Total principal                 $ 650,000 $ 650,000    
Interest rate (as a percent)       5.75%         5.75% 5.75%    
Face amount       $ 650,000                
Debt instrument redemption percentage upon change of control       101.00%                
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2033 | Redemption period one                        
Long-term debt                        
Debt instrument redemption percentage       102.875%                
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2033 | Redemption period two                        
Long-term debt                        
Debt instrument redemption percentage       100.00%                
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2033 | Redemption period three                        
Long-term debt                        
Debt instrument redemption percentage       105.75%                
Debt instrument redemption percentage with payment of premium and interest       100.00%                
Percent of aggregate principal amount that can be redeemed       35.00%                
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2034                        
Long-term debt                        
Total principal                 $ 600,000 $ 600,000    
Interest rate (as a percent)   5.75%               5.75%    
Face amount   $ 600,000                    
Debt instrument redemption percentage upon change of control   101.00%                    
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2034 | Redemption period one                        
Long-term debt                        
Debt instrument redemption percentage   102.875%                    
Finance Corp and together with Antero Midstream Partners | 5.75% Senior Notes Due 2034 | Redemption period three                        
Long-term debt                        
Debt instrument redemption percentage   105.75%                    
Debt instrument redemption percentage with payment of premium and interest   100.00%                    
Percent of aggregate principal amount that can be redeemed   35.00%